メタデータ
| 項目 |
値 |
| Designation |
129P/Shoemaker-Levy 3 |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2014-02-10T02:31:43.579200Z |
| Orbit solution date (soln_date, UTC) |
2025-06-27T14:17:32Z |
| Obs used |
720 |
| NEO |
- |
| M1 |
14.400 |
| K1 |
4.500 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2013-07-07.0000000 |
| e |
0.09063771 |
| q (au) |
3.913589 |
| a (au) |
4.303663 |
| i (deg) |
3.432831 |
| Ω (om, deg) |
185.156275 |
| ω (w, deg) |
309.132971 |
| M (ma, deg) |
335.922407 |
等級
散乱 + 全体線形
$$
M_a = (13.543 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
13.543 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.969 |
| k |
1.000 |
| δ90 |
10.000 |
| パラメータ |
記号 |
範囲 |
説明 |
| 太陽・地球距離が1 AUのときの絶対等級 |
H0 |
-5 to 20 |
彗星の固有の明るさ |
| 測光スロープパラメータ |
n |
2 to 6 |
太陽距離に対する明るさ変化率 |
| 前方散乱非対称係数 |
gf |
0.8 to 1 |
前方散乱の強さ |
| 後方散乱非対称係数 |
gb |
-1 to -0.5 |
後方散乱の強さ |
| 分配係数 |
k |
0.8 to 1 |
前方/後方散乱の寄与比 |
| ダスト/ガス明るさ比 |
δ90 |
1 to 10 |
ダスト散乱とガス放射の相対寄与 |
参考: EPSC-DPS2025-160
ファインディングチャート
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
19:06:01.93 |
-19:10:02.8 |
HIP 93785 |
18.86 |
| 2026-03-26 12:00 |
19:06:18.74 |
-19:09:15.2 |
HIP 93785 |
20.23 |
| 2026-03-27 00:00 |
19:06:35.37 |
-19:08:27.7 |
HIP 93785 |
22.25 |
| 2026-03-27 12:00 |
19:06:51.83 |
-19:07:40.2 |
HIP 93996 |
22.28 |
| 2026-03-28 00:00 |
19:07:08.11 |
-19:06:52.9 |
HIP 93996 |
19.32 |
| 2026-03-28 12:00 |
19:07:24.21 |
-19:06:05.6 |
HIP 93996 |
16.79 |
| 2026-03-29 00:00 |
19:07:40.14 |
-19:05:18.5 |
HIP 93996 |
14.87 |
| 2026-03-29 12:00 |
19:07:55.88 |
-19:04:31.5 |
HIP 94040 |
13.59 |
| 2026-03-30 00:00 |
19:08:11.45 |
-19:03:44.6 |
HIP 94040 |
10.16 |
| 2026-03-30 12:00 |
19:08:26.83 |
-19:02:57.8 |
HIP 94040 |
7.10 |
| 2026-03-31 00:00 |
19:08:42.03 |
-19:02:11.2 |
HIP 94040 |
5.05 |
| 2026-03-31 12:00 |
19:08:57.05 |
-19:01:24.7 |
HIP 94040 |
5.22 |
| 2026-04-01 00:00 |
19:09:11.89 |
-19:00:38.3 |
HIP 94040 |
7.41 |
| 2026-04-01 12:00 |
19:09:26.54 |
-18:59:52.1 |
HIP 94040 |
10.37 |
| 2026-04-02 00:00 |
19:09:41.01 |
-18:59:06.1 |
HIP 94040 |
13.57 |
| 2026-04-02 12:00 |
19:09:55.28 |
-18:58:20.1 |
HIP 94040 |
16.85 |
| 2026-04-03 00:00 |
19:10:09.38 |
-18:57:34.4 |
HIP 94040 |
20.14 |
| 2026-04-03 12:00 |
19:10:23.28 |
-18:56:48.8 |
HIP 94040 |
23.43 |
| 2026-04-04 00:00 |
19:10:37.00 |
-18:56:03.4 |
HIP 94309 |
22.25 |
| 2026-04-04 12:00 |
19:10:50.52 |
-18:55:18.2 |
HIP 94309 |
20.63 |
| 2026-04-05 00:00 |
19:11:03.86 |
-18:54:33.1 |
HIP 94309 |
19.46 |
| 2026-04-05 12:00 |
19:11:17.00 |
-18:53:48.3 |
HIP 94309 |
18.79 |
| 2026-04-06 00:00 |
19:11:29.95 |
-18:53:03.6 |
HIP 94309 |
18.66 |
| 2026-04-06 12:00 |
19:11:42.71 |
-18:52:19.2 |
HIP 94309 |
19.05 |
| 2026-04-07 00:00 |
19:11:55.27 |
-18:51:34.9 |
HIP 94309 |
19.92 |
| 2026-04-07 12:00 |
19:12:07.64 |
-18:50:50.9 |
HIP 94309 |
21.18 |
| 2026-04-08 00:00 |
19:12:19.81 |
-18:50:07.0 |
HIP 94489 |
22.48 |
| 2026-04-08 12:00 |
19:12:31.79 |
-18:49:23.4 |
HIP 94489 |
19.73 |
| 2026-04-09 00:00 |
19:12:43.56 |
-18:48:40.0 |
HIP 94489 |
17.08 |
| 2026-04-09 12:00 |
19:12:55.14 |
-18:47:56.9 |
HIP 94489 |
14.56 |
| 2026-04-10 00:00 |
19:13:06.52 |
-18:47:14.0 |
HIP 94489 |
12.22 |
| 2026-04-10 12:00 |
19:13:17.69 |
-18:46:31.3 |
HIP 94489 |
10.15 |
| 2026-04-11 00:00 |
19:13:28.67 |
-18:45:48.9 |
HIP 94489 |
8.50 |
| 2026-04-11 12:00 |
19:13:39.44 |
-18:45:06.7 |
HIP 94489 |
7.50 |
| 2026-04-12 00:00 |
19:13:50.00 |
-18:44:24.8 |
HIP 94489 |
7.37 |
| 2026-04-12 12:00 |
19:14:00.37 |
-18:43:43.2 |
HIP 94489 |
8.10 |
| 2026-04-13 00:00 |
19:14:10.52 |
-18:43:01.9 |
HIP 94489 |
9.45 |
| 2026-04-13 12:00 |
19:14:20.47 |
-18:42:20.8 |
HIP 94489 |
11.18 |
| 2026-04-14 00:00 |
19:14:30.22 |
-18:41:40.0 |
HIP 94489 |
13.10 |
| 2026-04-14 12:00 |
19:14:39.75 |
-18:40:59.5 |
HIP 94489 |
15.13 |
| 2026-04-15 00:00 |
19:14:49.08 |
-18:40:19.3 |
HIP 94489 |
17.20 |
| 2026-04-15 12:00 |
19:14:58.19 |
-18:39:39.4 |
HIP 94489 |
19.28 |
| 2026-04-16 00:00 |
19:15:07.10 |
-18:38:59.8 |
HIP 94489 |
21.35 |